\begin{abstract}
    This is a very long sentence that should be wrapped at
    some point, which is the case but is is is is line
    width is not respected because of the indentation.
    \begin{another}
        Another is a very long sentence that should be
        wrapped at some point, which is the case but is is
        is is line width is not respected because of the
        indentation.
        \begin{itemize}
            \item One is a very long sentence that should
                  be wrapped at some point, which is the
                  case but is is is is line width is not
                  respected because of the indentation.
            \item Two is a very long sentence that should
                  be wrapped at some point, which is the
                  case but is is is is line width is not
                  respected because of the indentation.
        \end{itemize}
    \end{another}
\end{abstract}
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